15980727168 has 320 divisors, whose sum is σ = 56113643520. Its totient is φ = 4418012160.

The previous prime is 15980727163. The next prime is 15980727187. The reversal of 15980727168 is 86172708951.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15980727163) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2246305 + ... + 2253407.

It is an arithmetic number, because the mean of its divisors is an integer number (175355136).

Almost surely, 2^15980727168 is an apocalyptic number.

15980727168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15980727168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28056821760).

15980727168 is an abundant number, since it is smaller than the sum of its proper divisors (40132916352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15980727168 is an equidigital number, since it uses as much as digits as its factorization.

15980727168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7167 (or 7146 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 54.

The spelling of 15980727168 in words is "fifteen billion, nine hundred eighty million, seven hundred twenty-seven thousand, one hundred sixty-eight".